note
gjb
<p>It's quite a while ago, and maybe I didn't look hard enough, but two modules come to mind: <a href="http://search.cpan.org/author/GBARR/Scalar-List-Utils-1.0701/">List::Util</a> and <a href="http://search.cpan.org/author/GSAR/Tie-IxHash-1.21/">Tie::IxHash</a>.</p>
<p>I've quite often implemented the functionality offered by those modules scattered over different projects.</p>
<p>-gjb-</p>
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